Создал себе скрипт в init.d
#! /bin/sh ### BEGIN INIT INFO # Provides: firewall # Required-Start: $syslog $all # Required-Stop: # Default-Start: 2 3 4 5 # Default-Stop: # Short-Description: Fill iptables rules ### END INIT INFO ip=/sbin/iptables LOCAL_IF=eth1 LOCAL_NET=«192.168.1.0/24» INET_IF=eth0 INET_IP=10.10.1.6/24 PATH=/sbin:/usr/sbin:/bin:/usr/bin. /lib/init/vars.sh. /lib/lsb/init-functions do_start() { $ip -A INPUT -p tcp --dport 4491 -j ACCEPT $ip -P INPUT DROP } do_stop (){ $ip -F $ip -t nat -F } case "$1" in start) do_start ;; restart|reload|force-reload) echo «Error: argument '$1' not supported» >&2 exit 3 ;; stop) do_stop ;; *) echo «Usage: $0 start|stop» >&2 exit 3 ;; esac
Сделал его исполняемым дал права, дальше пишу: /etc/init.d/start выдает:
[....] Starting firewall (via systemctl): firewall.serviceJob for firewall.service failed because the control process exited with error code. See «systemctl status firewall.service» and «journalctl -xe» for details. failed!

Пишу systemctl status firewall.service выдает:
● firewall.service — LSB: Fill iptables rules Loaded: loaded (/etc/init.d/firewall; bad; vendor preset: enabled) Active: failed (Result: exit-code) since Fri 2017-03-10 22:50:23 EET; 58s ago Docs: man:systemd-sysv-generator(8) Process: 2424 ExecStart=/etc/init.d/firewall start (code=exited, status=203/EXEC) Mar 10 22:50:23 gateway-office systemd[1]: Starting LSB: Fill iptables rules… Mar 10 22:50:23 gateway-office systemd[1]: firewall.service: Control process exited, code=exited status=203 Mar 10 22:50:23 gateway-office systemd[1]: Failed to start LSB: Fill iptables rules. Mar 10 22:50:23 gateway-office systemd[1]: firewall.service: Unit entered failed state. Mar 10 22:50:23 gateway-office systemd[1]: firewall.service: Failed with result 'exit-code'.

Пишу systemctl enable firewall.service выдает:
firewall.service is not a native service, redirecting to systemd-sysv-install Executing /lib/systemd/systemd-sysv-install enable firewall

В инете ничего дельного нет, iptables переустанавливал. Ядро 4.4.0-66-generic. Версия iptables 1.6.0-2ubuntu3